package com.changgou.goods.dao;

import com.changgou.goods.pojo.Brand;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import tk.mybatis.mapper.common.Mapper;

import java.util.List;
import java.util.Map;

public interface BrandMapper extends Mapper<Brand> {

    /**
     * @Description:  按照分类名来查询品牌名
     * @Param:
     * @return:
     */
    @Select("SELECT name,image FROM tb_brand WHERE id  IN (SELECT brand_id FROM tb_category_brand WHERE  category_id IN (SELECT id FROM tb_category WHERE NAME=#{name}) )order by seq")
    public  List<Map> findListByCategoryName(@Param("name") String categoryName);







}
